This standard is issued under the fixed designation D ; the number immediately 1 This test method is under the jurisdiction of ASTM Committee D35 on. Designation: D – 09Standard Test Method for TE D Tensile Properties of Geotextiles by the Wide-Width Strip. ASTM D measures the tensile properties of geotextiles using a wide-width strip specimen tensile method. ASTM D is applicable to most geotextiles.
G90 Mechanical Vice Grip. When strength is not necessarily a design consideration, an alternative test method may be used for acceptance testing. Continue until the required number of acceptable breaks have been obtained.
ASTM D4595 Wide-Width Tensile Test Equipment for Geotextiles
The intersection point A9 is the zero elongation point from which elongation is measured. While such a procedure cannot be accepted in cases of dispute, it may be sufficient in routine testing to expose the material to the standard atmosphere for testing for a reasonable period of time before the specimens are tested. Tensile strength, elongation, initial and secant modulus, and breaking toughness of the test specimen can be calculated from machine scales, dials, recording charts, or an interfaced computer.
In any event, the procedure described in Section 10 of this test method for obtaining wide-width strip tensile strength must be maintained. Special clamping adaptions may be necessary with strong geotextiles or geotextiles made from glass fibers to prevent them from slipping in the clamps or being damaged as a result of being gripped in the clamps.
Determine the number of specimens as follows: This test method is applicable to most geotextiles that include woven fabrics, nonwoven fabrics, layered fabrics, knit fabrics, and felts that are used for geotextile application.
Apparatus and Reagents 6. This is extended to intersect the zero elongation axis at point B8.
ASTM D Wide Width Tensile_百度文库
NOTE 2—For geotextiles which shrink excessively when sstm, cut the test specimens for obtaining wet tensile strength longer in dimension than that for dry tensile strength. At any point on this tangent line, measure the force and the corresponding elongation with respect to the zero force axis. Some fabrics used in geotextile applications have a tendency to contract neck down under a force in the gage length area. Measure the force and the corresponding elongation with respect to the force axis.
This test method is applicable to most geotextiles that include woven fabrics, nonwoven fabrics, layered fabrics, knit fabrics, and felts that are used for geotextile application. We are confident that we have what you are looking for. Do this by having the two lines, which were previously drawn 6 3 mm 4.
If a bias is found, either its cause must be found and corrected or the purchaser and the supplier must agree to interpret future test results in the light of the known bias. This intersection point B8 is the zero elongation point from which elongation is measured.
NOTE 5—Some clamping arrangements may lead to slack in the specimen within the gage area. Competent statistical assistance is recommended for the investigation of bias.
ASTM D Wide-Width Tensile Test Equipment for Geotextiles
The greater width of the specimen specified in this test method minimizes the contraction effect of those fabrics and provides a closer relationship to expected geotextile behavior in the field and a standard comparison.
Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. NOTE aatm is recognized that in practice, geotextile materials are frequently not weighed to determine when moisture equilibrium has been reached.
Comparative tests as directed in 5. Link to Active This link will always route to the current D455 version of the standard. If a bias is found, either its cause must be found and corrected or the purchaser and the supplier must agree to interpret future test results in light of the known bias.
The wide-width strip technique has been explored by the industry and is recommended in these cases for geotextile applications. Have a question about conducting the test for this standard? ASTM D measures the tensile properties of geotextiles using a wide-width strip specimen tensile method. Describe the material or product sampled and the method of sampling used.
Likewise, label a second point, P1 at a speci? The major problem encountered was de? Give one of our application engineers a call today for help with creating the asm budget and testing plan according 4d595 ASTM D Force range of 5 kN to kN 1, lbf tolbf Adjustable test space The most popular choice for static tension and compression tests These dual column testers are available in both tabletop and floor standing models.